Service
Model
Safety Summary
309 Safety-2
Safety-3 309
Table of Contents
Table of Contents
Connect Remote Monitoring
Check Controller Function Codes
Valve Replacement
Evaporator Coil Replacement Evaporator Heater Replacement
Replacing The Evaporator Fan Assembly
Precheck Procedure Checking The Stepper valve
Electrical Wiring Schematic
Refrigeration Circuit Schematic Standard Operation
Refrigeration Circuit Schematic Economized Operation
DataCORDER Configuration Variables
List of Tables
Section Introduction
Unit is fitted with a scroll compressor
Manual, T-300
Section Description
Evaporator Section
Compressor Section
Condenser Section
Module which allow communication with a master
Communications interface module For further information
Model RSH105 Weight Dry 46.5 kg 103 lb
Temperature
Approved Oil Mobil ST32 Oil Charge 2957 ml 100 ounces
Oil level range, with the compressor off
Electrical Data
Safety and Protective Devices
Refrigeration Circuit 2.5.1 Standard Operation
Standard Operation with Receiver
Refrigeration Circuit Schematic -- Economized Operation
Temperature Control System
Section Microprocessor
KEY Function
Controller Software
Modes of Operation
Perishable Mode -- Economy
Controller Alarms
Unit PRE-TRIP Diagnostics
Thermistor inputssupply & return
DCF02=2
DCF02=5 Usda thermistor inputs
DCF02=6
Standard Configuration Download Report
Raw Data Report for ABC1234567
DataCORDER may be powered up in any one of four ways
Logging Interval dCF03
DataView
DataCORDER Alarms
CnF11 Defrost Off Selection NoOFF
Std, Full
CnF33 Snap Freeze Option
SnAP
Display Only Functions
Defrost temperature sensor reading is displayed
Possibly delaying a needed defrost cycle
Sensor Reading
Plicable with frozen set points
Controller Function Codes Sheet 3
Controller Alarm Indications Sheet 1
Controller Alarm Indications Sheet 2
Controller Alarm Indications Sheet 3
Error Description
Memory failure
Draw test is done after 15 seconds
P1-1
Draw test is done after 10 seconds
Onds
Supply is compared
Test fails
P6-2
Crease, the test fails
Pressure switch is open or the condenser fan switch is open
Timer is started
Denser fan is started and a 60 second timer is started
Requirements Control temperature must be at least 15.6C 60F
Requirements Control temperature must be at least 7.2C 45F
Set point, the test proceeds to test
By starting P10-0 over
Inapplicable Functions Display
Title Data
10 DataCORDER Alarm Indications
Operation
69NT Fresh AIR Makeup
Will be displayed
To start a pre-trip test, do the following
Will be displayed
Controller Operation -- Perishable Mode
Pull Down Falling Rising
Controller Operation -- Frozen Mode
Frozen Mode
Defrost
Section Troubleshooting
Unit will not heat or has insuffi
Will not initiate defrost
Bent motor shaft
Superheat
Unit reads abnormal currents Current sensor wiring Check
Section Service
Valve Frontseated Backseated
Compressor in a deep vacuum, internal dam- age will result
Refrigerant Leak Checking
Remove all refrigerant using a refrigerant recovery system
Refrigerant Charge
Compressor Upper Mounting
Compressor OIL Level
Condenser FAN and Motor Assembly
Two expansion valves are used, the evaporator
Wrapped with Insulating compound. See
Removing the Expansion Valve
Cleaned regularly. The preferred cleaning fluid is fresh
If applicable, braze the equalizer connection to
Equalizer line
Check superheat refer to step
Start unit and check operation
14. Unloader Solenoid Valve
Evaporator FAN Motor Capacitors
Valve Override Controls
Precheck Procedure
TP1
Mounting Stud Type
Cut wires 5 cm 2 inches from shoulder of defec
Cut one wire of existing cable 40 mm 1-1/2 inch
Shorter than the other wire
Cut one replacement sensor wire opposite color
Maintenance of Painted Surfaces
23 Door Hinge Repair
Crack, Chip & Hole Repair Kit
24. Insert Location
In-lbs #10 Ft-lbs 12.72 17.14
In-lbs Ft-lbs 13.99 18.86
14.6 49.4 37.08 12.3 41.6 31.25 32.8 24.64 22.7 17.00 11.9
Section Electrical Wiring Schematic
Schematic Diagram
Wiring Diagram Sheet 1
Wiring Diagram Sheet 2
Index
309 Index-2
